//
import "./index.css"

const style = {
  color: "red", 
  fontSize: "40px"
}

function App() {
  return (
    <div className="App">
      {/* 行内样式控制 */}
      <span style={ style }>this is span</span>
      {/* 通过class类名控制 */}
      <span className="foo">this is span</span>
    </div>
  );
}

export default App;
